/Engine/Source/Runtime/Engine/Classes/GameFramework/InputSettings.h
Hardware device ID that represents a keyboard and mouse. This is what will be set when an Input Event'sFKeyis not a gamepad key.
static [FHardwareDeviceIdentifier](API\Runtime\Engine\GameFramework\FHardwareDeviceIdentifier) DefaultKeyboardAndMouse = { TEXT("DefaultKeyboardAndMouse"), TEXT("KBM"), EHardwareDevicePrimaryType::KeyboardAndMouse, EHardwareDeviceSupportedFeatures::Type::Keypress | EHardwareDeviceSupportedFeatures::Type::Pointer };